Scientists at UCLA discovered a surprising reason aging muscles heal more slowly. In older muscle stem cells, a protein called NDRG1 builds up and acts like a brake, slowing the cells’ ability to jump into repair mode after injury. But there’s a twist: that same protein helps the cells survive the stresses of aging, allowing them to stick around longer.
from Top Health News -- ScienceDaily https://ift.tt/fKr2nMZ
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